20123133113201 has 2 divisors, whose sum is σ = 20123133113202. Its totient is φ = 20123133113200.

The previous prime is 20123133113173. The next prime is 20123133113227. The reversal of 20123133113201 is 10231133132102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12696935852176 + 7426197261025 = 3563276^2 + 2725105^2 .

It is a cyclic number.

It is not a de Polignac number, because 20123133113201 - 2¹⁴ = 20123133096817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20123133113801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061566556600 + 10061566556601.

It is an arithmetic number, because the mean of its divisors is an integer number (10061566556601).

Almost surely, 2^{20123133113201} is an apocalyptic number.

It is an amenable number.

20123133113201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123133113201 is an equidigital number, since it uses as much as digits as its factorization.

20123133113201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20123133113201 its reverse (10231133132102), we get a palindrome (30354266245303).

The spelling of 20123133113201 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, one hundred thirteen thousand, two hundred one".